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Data Sources: Centers for Medicare & Medicaid Services (CMS), Medicare Provider Utilization and Payment Data
Disclaimer: This site is an independent journalism project. Data analysis and editorial content are not affiliated with or endorsed by CMS or any government agency. All spending figures are based on publicly available Medicare payment records.
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Methodology•Download Data
  1. Home
  2. Providers
  3. Harris Mcilwain
⚕️
MDI

Harris Mcilwain, MD

NPI: 1306958350
Miami, FL
10 years of data
Rheumatology
$869.8K
Total Payments
11.1K
Beneficiaries
30.7K
Services
1.75x
Markup Ratio

Peer Comparison

80th
percentile in specialty
This provider$869.8K
Specialty median$352.6K

📋 Key Findings

1Billed $869.8K over 10 years
21.75x markup ratio
3AI fraud probability: 91.0%
🤖

AI Risk Assessment

Rank #115 of 500
91.0%fraud probability
Low riskMediumHigh risk

Risk Factors

7-figure billing

What this means

Our machine learning model analyzed billing patterns, service volumes, markup ratios, and peer comparisons to estimate a 91.0% probability that this provider's billing patterns are consistent with known fraud cases. This is ranked #115 out of 500 highest-risk providers analyzed. This is a statistical prediction, not a determination of fraud.

View all ML-flagged providers →Methodology →

ML model prediction — not an accusation of fraud

🔎 Data Analysis

This provider's $869.8K in total Medicare payments ranks in the 80th percentile of Rheumatology providers nationally.

Medicare payments to this provider grew 126% from 2014 to 2023.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Top Procedures (10)

99213Office visit, established patient, low complexity
$187.6K
5.1K services$36.96/svc1.41x markup
99214Office visit, established patient, moderate complexity
$168.8K
4.6K services$36.97/svc1.69x markup
99215Office visit, established patient, high complexity
$150.1K
4.1K services$36.96/svc2.02x markup
99232Subsequent hospital care, moderate complexity
$131.3K
3.6K services$36.97/svc1.72x markup
99233Subsequent hospital care, high complexity
$112.6K
3.0K services$36.96/svc1.96x markup
93000Electrocardiogram, complete
$93.8K
2.5K services$36.97/svc2.01x markup
71046Chest X-ray, 2 views
$75.0K
2.0K services$36.96/svc1.72x markup
80053Comprehensive metabolic panel
$56.3K
1.5K services$36.98/svc1.40x markup
85025Complete blood count with differential
$37.5K
1.0K services$36.96/svc1.98x markup
36415Venipuncture for blood draw
$18.8K
507 services$37.00/svc1.73x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Office visit, established patient, low complexity5.1K$187.6K$36.961.41x
99214Office visit, established patient, moderate complexity4.6K$168.8K$36.971.69x
99215Office visit, established patient, high complexity4.1K$150.1K$36.962.02x
99232Subsequent hospital care, moderate complexity3.6K$131.3K$36.971.72x
99233Subsequent hospital care, high complexity3.0K$112.6K$36.961.96x
93000Electrocardiogram, complete2.5K$93.8K$36.972.01x
71046Chest X-ray, 2 views2.0K$75.0K$36.961.72x
80053Comprehensive metabolic panel1.5K$56.3K$36.981.40x
85025Complete blood count with differential1.0K$37.5K$36.961.98x
36415Venipuncture for blood draw507$18.8K$37.001.73x

Markup Analysis

Charge-to-Payment Ratio

1.75x

This provider submits charges 1.75 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.75x means for every $100 Medicare pays, this provider initially charges $175. This is lower than the national average.

Location

Miami, FL

Provider Verification

Always verify provider credentials and location before scheduling appointments. This data reflects Medicare payments and may not include all practice locations.

Similar Providers

Other Rheumatology providers in FL for peer comparison.

Harris Mcilwain (you)
$869.8K
Aymen Kenawy, M.D.
$56.3M
Vipul Joshi, MD
$41.8M
Adam Rosen, MD
$38.6M
Eugenia Rullan Bidot, MD
$38.2M
Marc Hirsh, M.D.
$33.8M
Show detailed table ▾
ProviderLocationTotal PaymentsStatus
Aymen Kenawy, M.D.Lynn Haven, FL$56.3M✓ Clear
Vipul Joshi, MDBrandon, FL$41.8M✓ Clear
Adam Rosen, MDClearwater, FL$38.6M✓ Clear
Eugenia Rullan Bidot, MDClearwater, FL$38.2M✓ Clear
Marc Hirsh, M.D.Delray Beach, FL$33.8M✓ Clear

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Data Sources

  • • Centers for Medicare & Medicaid Services (CMS)
  • • Medicare Provider Utilization and Payment Data (2014-2023)
  • • National Plan and Provider Enumeration System (NPPES)

Last Updated: February 2026 (data through 2023, the latest CMS release)

Note: All data is from publicly available Medicare records. OpenMedicare is an independent journalism project not affiliated with CMS.

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